如何解决Flutter Web 项目不用于调试,但它可以“颤动运行”?
这是我的第一次 Flutter Web 体验。有趣的是,这段代码适用于“Flutter run”
颤振医生
[√] Flutter (Channel stable,2.0.1,on Microsoft Windows [Version 10.0.19041.867],locale tr-TR)
[√] Android 工具链 - 为 Android 设备开发(Android SDK 版本 29.0.2)
[√] Chrome - 为网络开发
[√] Android Studio(3.4 版)
[√] IntelliJ IDEA 社区版(2019.1 版)
[√] VS Code,64 位版本(1.54.1 版)
[√] 已连接设备(2 个可用)
Index.html
<body>
<script src="https://www.gstatic.com/firebasejs/8.3.1/firebase-app.js"></script>
<script src="https://www.gstatic.com/firebasejs/8.3.1/firebase-auth.js"></script>
<script>
var firebaseConfig = {
apiKey: this is private
authDomain:
projectId:
storageBucket:
messagingSenderId:
appId:
};
firebase.initializeApp(firebaseConfig);
</script>
<script>
if ('serviceWorker' in navigator) {
window.addEventListener('Flutter-first-frame',function () {
navigator.serviceWorker.register('Flutter_service_worker.js');
});
}
</script>
<script src="main.dart.js" type="application/javascript"></script>
</body>
主代码
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
FirebaseAuthService _firebaseAuthService= new FirebaseAuthService();
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Todo App',home: Container(
color: Colors.white,child: Center(
child: StreamBuilder(
stream: _firebaseAuthService.authHandle(),builder: (context,AsyncSnapshot<User> snapshot){
if(snapshot.hasError){
return Text("There was an error loading data");
}
else if (snapshot.connectionState == ConnectionState.waiting){
return CircularProgressIndicator();
}
if(snapshot.data == null){
return LoginView();
}
else{
return HomeView();
}
},),);
}
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